190400232 has 32 divisors (see below), whose sum is σ = 519274080. Its totient is φ = 57696960.

The previous prime is 190400201. The next prime is 190400237. The reversal of 190400232 is 232004091.

190400232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 190400199 and 190400208.

It is not an unprimeable number, because it can be changed into a prime (190400237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360343 + ... + 360870.

It is an arithmetic number, because the mean of its divisors is an integer number (16227315).

Almost surely, 2^190400232 is an apocalyptic number.

190400232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190400232 is an abundant number, since it is smaller than the sum of its proper divisors (328873848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190400232 is a wasteful number, since it uses less digits than its factorization.

190400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721233 (or 721229 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 190400232 is about 13798.5590552057. The cubic root of 190400232 is about 575.2930901516.

The spelling of 190400232 in words is "one hundred ninety million, four hundred thousand, two hundred thirty-two".